Peavy, Qsc, Crown, Behringer, a number of the pro amps have been tried by a few around here with great success, as Chris noted the cross talk and THD does seem to be higher on some of the pro amps which may or may not be noticeable. Also have to watch for XLR only inputs for many pro amps as well.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70